Apparatus for the making and repairing of roads and like surfaces



Nov. 16-, 1926. 1,606,995

Y J. HINES APPARATUS FOR THE MAKING AND REPAIRING OF ROADS AND LIKESURFACES.

Filed ly 192v 3 Sheets-Sheet 1 Nov.16 ,1926. j I 1,606,995

. J. HINES APPARATUS FOR THE MAKING AND REPAIRING 0F ROADS AND mm: sunmcss Filed July 29 1925 s Sheet s-Shee1: 2

Nov. 16 1926. 1,606,995

J. HINES APPARATUS FOR THE MAKING AND REPAIRING 0F ROADS AND LIKE sunmcss Filed July 1925 3 Sheets-Sheet 5 Art-Ly 1 Patented Nov. lfi i926.

a'orrn rarit es, or Lennon, ancient} arrannrnsro'arna MAKING AND aarnrantsor Beans AND LIKE susrlicns.

ap ncationfiieaquiy 29, 1925, Serial No. aeria in areas September is, 1924. H

- or heaters for tar, bitumen, and like materials employed for operations. e

The. object of my invention is to provide spraying and grouting 'a boiler or heater in which tar, 'bitumen, or other material as delivered from barrels or other containers-is rapidly and efficiently heated to the required degree, and is strained to'remove any foreign matter'before passing ,over a heated weir into a heate dfstorage l clutchfto one or'mor'e of the road wheels r for propelling the machine along'a road at ing of a raised tankarrangedabove a suit- {any desiredspeed in either'direction.

' vternatively, the machine as a wholemay be tank from which it is drawn ofi as required. My lnvention comprises apparatus consistable furnace or other heating means, and having an inclined bottom sloping down'-. wardly towards removable straining or filtering devices through which the heated material passes on its way over a heated-weir to a heated storage tank from whichthe material isdrawn off as required, the material in. the already heated "storage tank being kept hot by a large volume of hot air and gases from the furnace or the like circulating through flues within or adjacent to the storage tank. r i

The tan bitumen or other material is de livered from barrels or other containers directly into the heating tank, or the barrels themselves may be placed in the tank.

The tank is kept at a high temperature by the furnace beneath it, and the mate'rialis rapidly heated to bring it'into a sufiiciently liquidstate. Owing to. the inclination'of the bottom of the tank, the material as it becomes liquid drains'downwardly through 'one or more removable vertical filtering plates or walls by which all foreign matter is retained, and the clear liquid passes through suitably controlled passages and over the heated weir into the heated storage tank. These and other features of my invention are illustrated in the accompanying drawings which show one practical form .of

- the apparatus.

In these drawings Figure '1 is a side elevation. and Figure 2, a plan of a complete road making and repairing machine embodying my invention. Figure 3, is a sectional elevation on an enlarged scaleof the means for heating and storing the bitumen or other material.

In the form illustrated the whole of the apparatus forming the machine is mounted upon a wheeled chassis or running frame a provided'with a towingibar b by which it is adapted to be coupled behind a tractor --or the like if desired a At the forward end of the chassis is jmounted an internal combustion engine 0 driving by chain'to a gear-box d from which drives are taken to 'a' fan orblowerefor providing forced draught to the furnace, and for delivering from the furnace a sufficient volume of heated airand gases to perform the functions set forth below.

. Theengine may also be'connected through mounted. on a steam or other wagon.

drive isalso taken from the gear-box to a,

pump f by which the heated bitumen or other material is sprayed, grouted,'or'otherwise 'deliveredon to the road surface. I Mounted on the rear end of the chassis is the tank 9 forthe heatedmaterial and within the. forward end of the'tank isqthe hotair chamber 71; forming the upper part of-the furnace 7 which is'itself mounted below the chassis. The furnace i has a curved upper closure is which is inclined downwardly to meet the flue Z running horizonta' lly below the tank, a baflie Z being provided to ensure that the hot-gases are thrown upwardly against the closure 70. This 010- 7 sure together with an inclined extension on forms the bottom: of the heating chamber 72.

forthe bitumen or other material which is in the form of a closed chamber or-oven,

generated in the closed chamber h by the furnace and the material in the barrels melts and falls on to the bottom of the chamber.

which is maintained at a, high temperature, and the material is rendered thoroughly liquid. v H Y The bottomof thechamber slopes downwardly at a substantial angle towards the tank, and. the surface 76" forms -a highly heated weir overwhich the material passes in a thin film and is rendered thoroughly fluid. The firebrick or otherlining of the closure X, may be made thinner desired beneath the surface lo to assist in achiving this result.

Before reaching the surface is the material is strained of solid impurities by passing through one or more perforated partitions ordiaphragms 1" which run transversely across the rear part' of the chamber.

' These partitions preferably slide between guides s on the side walls of the chamber as shown III F 1g. 3 so they can readily be removed for cleaning purposes.

The material 1n the tank 9 is maintained at a suit-able temperature by the great volume of heated air and gases from the furnace which are led through the flue Z the flue permit the gases from above the.

partition-to be directed either downwardly into the hood or upwardly into an uptake or chimney x at the rear end of the tank.

The hot gases from the furnace can thus be ultilized to heat the road surface only, or

to heat both simultaneously.

The hood g as previously mentioned'forms no part of the present invention and need not be describedherein.

I claim 1. In a road making and repairing apparatus, the combination with a storage tank for melted material, and a preliminary melting chamber arranged directly above a furnace and at a higher level than the tank, of a highly heated inclined surface extending between the lower end of a sloping bottom to said melting chamber and the upper end of a vertical end wall to said tank, and removable straining plates arranged across said melting chamber adjacent to the junction of the bottom thereof with the inclined surface. 7

2. In a road making and repairing appa ratus, the a furnace mounted thereon, a preliminary heating chamber arranged directly above said furnace, a. sloping bottom to saidchamber forming the roof of said furnace, re-

movable straining plates arranged across combination of a wheeled chassis, 1

the lower end of said chamber, an inclined highlyheated surface extending between the lower end of said chamber bottom, and the upp'er'edge of the vertical end wall of a storage tank mounted on the chassis at a lower level than the heatingchamber, means for leading the products of combustion from the furnace under the storage tank to heat the contents thereof, and means for directing the products of combustion either upward lyinto a flue or downwardly on to a road surface.

'3. In a road making and repairing apparatus, the combination of a wheeled chassis, a furnace mounted thereon, means for forcing an air draught through said furnace, a preliminary heating chamber arranged above said furnace, straining means at the end of said chamber, an inclined and highly heated surface extending between-the end i of said chamber and the upper edge of the end wall of a storage tank arranged at a lower level than said inclined surface, a flue leading the hot products of combustion from said furnace below said storage tank, a longitudinal partition dividing said flue, and means for directing the hot gases either into the flue above the partition to heat the tank or into the line below the partition from which they are directed on to the,

road surface. 7 e

In testimony whereof I affixuny signature. r

- JOHN HINES. 

